Hire Top Senior Engineer

Tushar Shrivastava

Resourceful and detail‑oriented MS Data Science candidate at the University of North Texas (Denton), with a solid foundation in statistical modeling, machine learning, and data visualization. Proficient in Python, R, SQL, and Tableau, with hands‑on experience building predictive models and performing exploratory data analysis to uncover actionable insights. Demonstrated ability to collaborate across interdisciplinary teams and communicate complex results to both technical and non‑technical stakeholders. Eager to apply analytical expertise and strong problem‑solving skills in a challenging data‑driven role that drives strategic decision‑making.

Tom Underman

Results-oriented Senior Software Engineer with extensive experience in architecting and delivering innovative applications. Known for strong leadership and cross-functional collaboration, successfully launching credit platforms that onboard thousands of new users while enhancing system reliability.

Gunasekaran S

Experienced IT Support and End User Computing professional with over 9 years of hands-on experience, progressing from System Engineer to Senior Engineer roles. Proven expertise in supporting large-scale enterprise IT environments, resolving complex technical issues, and maintaining high service standards with SLK Software Group (Sep 2022 – Jul 2025), with prior experience at HCL Technologies (Jan 2020 – Sep 2022), NTT Data Global Delivery Services (Nov 2017 – Dec 2019), and Magna Infotech (Nov 2015 – Oct 2017), supporting clients including Vodafone Global delivery services and Wipro Infotech.

Andrew Westrem

Azure Network Support Engineer bridging on-premise networking with application delivery. CCNA-certified with over four years of experience automating, securing, and troubleshooting on-prem and cloud networks for critical business needs and growth.

Bharath Chintamani

Dynamic Senior Software Engineer with 4+ years of experience in e-learning and software development. Skilled in leading teams, managing complex projects, and enhancing user experiences through innovative technologies. Proven expertise in software engineering, online course development, and data analytics, with a track record of process improvement. Collaborative and proficient in React, Go, MATLAB, and cloud platforms, committed to continuous learning and excellence.

Venkateswararao Velpula

Around 10+ years of experience in the IT sector in Linux, Cloud, and Cyber Security Industry for SOC environment using SIEM tools, EDR,XDR,VM,GRC, NGFW, and Email Security. Worked on the IBM Q RADAR and LogRhythm (console & web console) providing operations support at the Security Operations Centre for different firms. Troubleshooting SIEM dashboard issues when there are no reports being generated or no data available. Managed and resolved high-priority L3 (Level 3) tickets in an ITSM environment, ensuring timely resolution aligned with SLAs. Conduct Vulnerability assessments of Network and Security devices using various tools like NMAP and Burp Suit. Map out a network, discover ports and services running on the different exposed network and security devices. Experience on Office365 into Email gateway security to overcome phishing attacks. Handling the complete incident management framework cycle right from incident identification, incident containment, performing root cause analysis, suggestion and implementation of preventive and corrective controls, and perform network analysis as needed on a case-by-case basis. Analyzing Phishing and Spam related emails using header analysis, body analysis using various tools and block them in O365. Preparing Weekly and Monthly reports. Will document the tickets with all the action taken for the incident and update it on frequent basis and maintain ticket quality by documenting it with all the required information. Conducted and managed vulnerability scans using the Qualys tool. Identified critical weaknesses across diverse IT environments. Collaborating with IT teams for patch management and ensures timely deployment of patches and reduce system vulnerabilities. Generating detailed security reports and dashboards, summarizing findings for senior management and stakeholders. Worked with cross-functional teams to address complex issues, including software bugs, infrastructure failures, and security vulnerabilities. Ensured all firewalls, security devices, systems, databases and applications reported data to SIEM and resolved any reporting issues while performing regular health checks. Blocklisting and whitelisting the Domains, Emails in Email security tool Proofpoint. Blocklisting the malicious IPs in Firewalls. We have deployed EDR agent for all the servers and it is communicating continuously 24 7 to EDR server. Providing USB access request for specific users for business requirement through the requests in the ITSM ticketing tool. Purging the hostname if any one leaves the organization in the sentinel one. Blocking the malicious Hash values in the EDR tool. Expertise in LINUX / UNIX system builds, administration, Installations, Upgrades, Troubleshooting on different distributions such as Ubuntu, CentOS, RHEL. Resolving the hardware issues (DIMM, Hard disk) on data center for physical servers. In-depth knowledge on different file systems like ext3, ext4, XFS and NFS. Expertise in user & group management, disk partitioning (LVM) and working experience in large-scale enterprise development environment. Installation and Configuration SSH, FTP, TELNET AND NFS, DNS, DHCP & IPAM (DDI). Led DDI architecture planning and implementation, ensuring seamless integration between DNS, DHCP, and IPAM solutions, optimizing network resource management. Managed DDI solutions (e.g., Infoblox, Microsoft DDI) for enterprise-scale networks, reducing administrative overhead and improving network efficiency. Implemented automation in DDI operations, reducing manual configuration errors by 40% and streamlining DNS record updates and IP address assignments. Developed DDI policies for network security and efficiency, such as automatic IP address assignment for guest networks and secure DNS filtering for endpoints. Collaborated with security teams to configure DDI components to align with company-wide security policies, ensuring robust network defenses against unauthorized access. Utilize tools like top, htop, iostat, and vmstat to monitor CPU, memory, disk I/O, and network usage. Developed custom shell scripts for system monitoring and automation, improving response times to incidents. Provided 24/7 support for critical production systems, reducing average incident resolution time by 40%. Collaborated with development teams to optimize CI/CD pipelines, enhancing deployment frequency by 25%. Spearheaded a migration project to RHEL 8, resulting in enhanced system security and performance. Recognized for leading a team in a successful data center consolidation, reducing operational costs by 15%. Analyze output to identify bottlenecks, such as high CPU load or excessive swapping. Adjust kernel parameters using sysctl to optimize performance. Use tune2fs to adjust filesystem parameters, such as enabling journaling or optimizing block sizes based on application needs. Implement RAID configurations (e.g., RAID 0, RAID 1, or RAID 10) to improve disk performance and redundancy. Use ulimit to manage resource limits for users and processes. Tune caching parameters for applications (e.g., database caching) to reduce disk I/O. Adjust read_ahead settings for block devices to enhance performance for read-intensive applications. Collect historical performance data to identify usage patterns using tools like SAR or collectl. Analyze CPU, memory, and storage trends to forecast future needs. Identify thresholds for CPU, memory, and disk I/O before performance degradation occurs. Evaluate applications for horizontal vs. vertical scaling options, determining the best approach to meet increasing demand. Plan for adding more servers (horizontal scaling) versus upgrading existing hardware (vertical scaling). Establish key performance indicators (KPIs) such as response times, throughput, and error rates to evaluate performance against expectations. Set thresholds for resource utilization (e.g., CPU usage consistently above 80%) to trigger scaling or optimization actions. Maintain documentation of capacity planning processes and decisions for future reference. Regularly report on system performance and capacity forecasts to stakeholders for informed decision-making. Developed and conducted training programs for junior staff on RHEL best practices and troubleshooting techniques. Experience in deploying and maintaining various applications utilizing AWS services stack including EC2, S3, Route 53, VPC, Cloud Front, RDS, IAM, ECS, ELB, SNS, SQS focusing on High Availability, Fault-Tolerance and Auto Scaling. Oversaw migration of existing application into Micro Services Architecture using Rest APIs and AWS. Good knowledge on creating Kubernetes Pods, Services, ConfigMaps, Deployments and Rollouts by writing the yaml script and creating the resources using Kubectl. Implemented infrastructure automation using Terraform scripts. Utilized Terraform to map more complex dependencies and identify network issue. Worked with Terraform a tool for building, changing, and versioning infrastructure safely and efficiently. Worked with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation. Experienced Azure Devops Boards/Jira/Confluence/Service Now tools for sprint work. Extensively worked on monitoring servers using Splunk and Grafana. Highly capable of mentoring Team Members and helping them realize their full potential. An effective communicator with strong leadership, people management, analytical and problem-solving skills. At equal ease in interacting with people across hierarchical levels in an organization for ensuring smooth task execution. Proficient in designing, deploying, and managing scalable, high-performance applications and infrastructure using Oracle Cloud Infrastructure (OCI). Hands-on experience in provisioning and managing compute instances, networking, storage, and databases in OCI. Deep understanding of OCI core services such as Compute, Storage, Networking, and Identity and Access Management (IAM). Designed, deployed, and maintained scalable OCI infrastructure for high-performance applications, using services like Compute, Networking, and Storage. Implemented continuous integration/continuous deployment (CI/CD) pipelines using Oracle Cloud Developer tools (Resource Manager, Kubernetes). Automated resource provisioning and cloud infrastructure management using Terraform and OCI CLI. Collaborated with security and compliance teams to ensure OCI solutions adhere to organizational policies and regulatory requirements. Provided technical support and troubleshooting for OCI-based environments, ensuring minimal downtime. Automated OCI infrastructure provisioning and management using Terraform, Ansible, and OCI CLI. Developed custom scripts for monitoring and managing OCI resources, including cost tracking and reporting. Implemented auto-scaling and load balancing to optimize resource usage and maintain application performance. Configured Virtual Cloud Networks (VCNs), subnets, route tables, and security lists to establish secure networking in OCI. Implemented OCI Identity and Access Management (IAM) policies and roles to control access to cloud resources. Architected and deployed cloud-native applications on OCI leveraging micro services, container orchestration (Kubernetes), and server less functions. Designed high-availability, fault-tolerant, and cost-effective solutions in OCI based on business requirements. Experience in multi-cloud and hybrid cloud architectures integrating OCI with AWS, Azure, and on-premises environments. Deployed, configured, and managed Oracle VM servers and guest virtual machines for production environments. Administered Oracle VM Manager for centralized management, including tasks such as VM creation, migration, and resource allocation. Conducted performance tuning and optimization of Oracle VM hosts and virtual machines to ensure high availability and reliability. Implemented Oracle VM Server for x86-based systems, resulting in improved resource utilization and reduced hardware costs. Created and maintained Oracle VM templates for rapid deployment of virtual machines with predefined configurations. Set up and maintained KVM-based virtualized environments using tools like virt-manager, libvirt, and qemu. Managed KVM hypervisors on Linux servers, deploying virtual machines (VMs) running various guest OSes including Linux, Windows, and BSD. Tuned KVM host systems and guest VMs to ensure optimal CPU, memory, and I/O performance, achieving enhanced VM density and reduced latency. Monitored KVM system performance and utilized monitoring tools like virt-top, top, and iostat to ensure high system availability. Installed, configured, and maintained VMware ESXi hypervisors and vSphere clusters to host multiple virtual machines. Managed VMware vCenter for centralized management of ESXi hosts, including VM provisioning, migration, and resource management.

Nazia Zaman

After completing graduation in B.Sc. Eng. in CSE from Khulna University of Engineering & Technology, worked for Samsung R&D Institute Bangladesh for 4 years. Throughout professional and educational career learned about necessity of optimized and effective coding in a stable application development. Professionally working for UWP, WPF, Android application. Besides professional learning gained knowledge about networking, web development, Machine Learning and Natural Language Processing. It helped application development and facing new challenges. Passionate about exploring and challenging myself for learning, motivated, hardworking, love to work in team and want to take lead.

Lakshmi Yerraguntla

Expert Senior Citrix Engineer with extensive experience in Windows Server Virtualization, Microsoft Active Directory, and enterprise-level server management. Proven track record of driving customer success through expert troubleshooting, technical innovation, and exceptional service delivery. Skilled at bridging the gap between technology and business needs. Passionate about mentoring and empowering teams to excel in complex, multi-vendor ecosystems.